Zent is a dual-purpose device designed for hot and dry climatic conditions with relative humidity of less than 40% in summer weather.
The following content provides all the technical specifications, buying guides, sales terms, and prices for all types of Zents.
Zent Experts' Buying Guide and Price List
In hot seasons a Zent functions as an Evaporative Cooler with internal equipment such as a ventilation fan, electric motor, push or cellulose pads, and water pump just like a regular swamp cooler, but in cold seasons it has a heating coil to provide heat and warm up the space.
Zents, which usually have larger dimensions than evaporative coolers, receive outside air in the summer and pass through wet cellulose pads or pads, and after cooling the air, it will be transferred to the interior spaces of the building.
In Summer: Zents should be placed in an area with a window that has access to the outside fresh air.
In Winter: After closing the windows, the device circulates the air and directs it through the hot water coil installed in the upper part of the device and spreads and distributes the hot air in the interior spaces through ductwork.
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In other words, due to using cooling, Zents do not need a strong water pump and multiple nozzles for powdering and spraying water droplets unlike air washers, and therefore have a more reasonable price than air washers. It should also be mentioned that Zents have cellulose pads and air washers don't.
Zent Cooling / Heating Capacity Calculation
The cooling and heating capacity calculation of a Zent is based on the maximum aeration volume (CFM-M3/hr) for evaporative cooling performance in hot seasons and the thermal power of the heating coil (kcal/hr) to provide ambient heating in cold seasons.
Different Types of Zents
Zents are produced in three types: horizontal, vertical, and ceiling. It is possible to install this equipment on the roof, terrace, and under the roof. To increase the efficiency of the device, it is suggested to install the device in a roofed space with a suitable window to the outside which will be closed in winter.
Note: If the location of the Zent is on the terrace or roof of the building, the return ducting of the air inside the building to the Zent must be implemented (in addition to the supply ducting) to provide warm air in cold seasons.
The Main Components of a Zent
The important components of Zent devices include:
Body
Electric motor
Fan
Hot water or electric coil
Adjust valves
Cellulose pads
Water pump
The peripheral equipment connected to the Zent includes:
Another very important point about a Zent is the effective ductwork that has to be done based on engineering calculations by the ductwork installer, based on the volume of cold or hot air required for each space, the appropriate speed of the air passing through the duct and taking into account the permissible pressure drop at each section of the duct.
As well as avoiding 90-degree elbows (without complying with the allowed internal radius) and avoiding angle change of more than 15 degrees in the longitudinal duct paths, All should be done under the supervision of experienced HVAC engineers and executive personnel.
Key Factors to Keep in Mind When Buying a Zent
In addition to the required ventilation capacity, you should pay attention to other important key factors such as:
The dimensions of the Zent for transportation and to make sure it will pass through the building doors.
Location inside the building with access to 100% outside fresh air in hot seasons of the year.
Type and amount of electricity power required by the device (single phase or 3 phase).
The motor power and the maximum static pressure of the ventilation fan allow air to pass through the duct.
The thermal level of the Zent heating coil (the number of rows and fins of the heating coil).
Effective implementation of air distribution duct based on HVAC engineering calculations.
Buying a Zent
The first step to buying a Zent is to pay attention to the cooling and heating capacity and the dimensions of the space.
Zents are produced and supplied in different types with different cooling and heating capacities, therefore, you need information about the area and use of your desired environment to make sure you buy a suitable Zent model with enough ventilation capacity at a reasonable price.
After that, you should consider other factors such as motor power, the static pressure of the ventilation fan, the thermal surface of the heating coil, the dimensions of the device, etc.
Here at the DamaTajhiz HVAC store, technical information and prices of dozens of models of Zents from popular brands have been provided for you to enjoy an optimal and smart shopping experience.
The Price of Zents
The price of Zents can vary based on the capacity, type, model, aeration volume, motor power, coil heat level, body thickness, quality of cellulosic pads, etc.
Keep in mind that all the products presented at the DamaTajhiz HVAC store have product IDs and reasonable prices, with the discounts desired by customers being already included in these prices for everyone to enjoy.
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